Pencil
A 12 inch ruler
Masking tape
A few rubber bands (especially small ones) (optional)
A few pebbles, beans or marbles
Clothespins (12 or more), plastic or wooden, the ones with moving parts) AND/OR large paper clips

Small spray bottle
A 1-quart plastic container (eg. yogurt) AND/OR a small bucket
Box of gallon baggies (to take home damp dyed fabric)